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/* Generated by re2c */ // re2rust $INPUT -o $OUTPUT fn lex(s: &[u8]) -> bool { let mut cursor = 0; { #[allow(unused_assignments)] let mut yych : u8 = 0; let mut yystate : usize = 0; 'yyl: loop { match yystate { 0 => { yych = unsafe {*s.get_unchecked(cursor)}; cursor += 1; match yych { 0x31 ..= 0x39 => { yystate = 2; continue 'yyl; } _ => { yystate = 1; continue 'yyl; } } } 1 => { return false; } 2 => { yych = unsafe {*s.get_unchecked(cursor)}; match yych { 0x30 ..= 0x39 => { cursor += 1; yystate = 2; continue 'yyl; } _ => { yystate = 3; continue 'yyl; } } } 3 => { return true; } _ => { panic!("internal lexer error") } } } } } fn main() { assert!(lex(b"1234\0")); }